reversive
/rɪˈvəːsɪv/adjective
1 Anatomy. Of a nerve: recurrent; specifically designating the recurrent laryngeal nerve. Now historical and rare.
2Characterized by or tending to reversal.
Origin
Late Middle English; earliest use found in Lanfranc's Science of Cirurgie. Originally from post-classical Latin reversivus from classical Latin revers-, past participial stem of revertere + -īvus.